const com_data = [{
    date: '2019/11/10',
    carNum: 4,
    personNum: 380
}, {
    date: '2019/11/11',
    carNum: 5,
    personNum: 450
}, {
    date: '2019/11/12',
    carNum: 6,
    personNum: 580
}, {
    date: '2019/11/13',
    carNum: 7,
    personNum: 640
}, {
    date: '2019/11/14',
    carNum: 6,
    personNum: 570
}, {
    date: '2019/11/15',
    carNum: 4,
    personNum: 350
}, {
    date: '2019/11/16',
    carNum: 5,
    personNum: 420
}, {
    date: '2019/11/17',
    carNum: 6,
    personNum: 540
}, {
    date: '2019/11/18',
    carNum: 5,
    personNum: 450
}, {
    date: '2019/11/19',
    carNum: 4,
    personNum: 340
}]

